<template>
  <div id="pictureDetail">
    <a-row :gutter="[16, 16]">
      <!-- 图片展示区 -->
      <a-col :sm="24" :md="16" :xl="18">
        <a-card title="图片预览">
          <a-image style="max-height: 600px; object-fit: contain" :src="picture.url" />
        </a-card>
      </a-col>
      <!-- 图片信息区 -->
      <a-col :sm="24" :md="8" :xl="6">
        <a-card title="图片信息">
          <a-descriptions :column="1">
            <a-descriptions-item label="作者">
              <a-space>
                <a-avatar
                  :size="24"
                  :src="picture.user?.userAvatar"
                  style="color: #f56a00; background-color: #fde3cf"
                >
                  {{ loginUserStore.loginUser.userName?.charAt(0) }}
                </a-avatar>

                <div>{{ picture.user?.userName }}</div>
              </a-space>
            </a-descriptions-item>
            <a-descriptions-item label="名称">
              {{ picture.name ?? '未命名' }}
            </a-descriptions-item>
            <a-descriptions-item label="简介">
              {{ picture.introduction ?? '-' }}
            </a-descriptions-item>
            <a-descriptions-item label="分类">
              {{ picture.category ?? '默认' }}
            </a-descriptions-item>
            <a-descriptions-item label="标签">
              <a-tag v-for="tag in picture.tags" :key="tag">
                {{ tag }}
              </a-tag>
            </a-descriptions-item>
            <a-descriptions-item label="格式">
              {{ picture.picFormat ?? '-' }}
            </a-descriptions-item>
            <a-descriptions-item label="宽度">
              {{ picture.picWidth ?? '-' }}
            </a-descriptions-item>
            <a-descriptions-item label="高度">
              {{ picture.picHeight ?? '-' }}
            </a-descriptions-item>
            <a-descriptions-item label="宽高比">
              {{ picture.picScale ?? '-' }}
            </a-descriptions-item>
            <a-descriptions-item label="大小">
              {{ formatSize(picture.picSize) }}
            </a-descriptions-item>
            <a-descriptions-item label="主色调">
              <a-space>
                {{ picture.picColor ?? '-' }}
                <div
                  v-if="picture.picColor"
                  :style="{
                    backgroundColor: toHexColor(picture.picColor),
                    width: '16px',
                    height: '16px',
                  }"
                />
              </a-space>
            </a-descriptions-item>
          </a-descriptions>
          <a-space wrap>
            <a-button type="primary" @click="doDownload">
              免费下载
              <template #icon>
                <DownloadOutlined />
              </template>
            </a-button>
            <a-button type="primary" ghost @click="doShare">
              分享
              <template #icon>
                <share-alt-outlined />
              </template>
            </a-button>

            <a-button
              v-if="
                loginUserStore.loginUser.userRole === 'admin' &&
                picture.reviewStatus !== PIC_REVIEW_STATUS_ENUM.PASS
              "
              @click="handleReview(picture, PIC_REVIEW_STATUS_ENUM.PASS)"
              >通过
              <template #icon>
                <CheckOutlined />
              </template>
            </a-button>
            <a-button
              v-if="
                loginUserStore.loginUser.userRole === 'admin' &&
                picture.reviewStatus !== PIC_REVIEW_STATUS_ENUM.REJECT &&
                picture.spaceId == null
              "
              danger
              @click="handleReview(picture, PIC_REVIEW_STATUS_ENUM.REJECT)"
            >
              拒绝
              <template #icon>
                <CloseOutlined />
              </template>
            </a-button>
            <a-button v-if="canEdit" type="default" @click="doEdit">
              编辑
              <template #icon>
                <EditOutlined />
              </template>
            </a-button>
            <a-button v-if="canDelete" danger @click="doDelete">
              删除
              <template #icon>
                <DeleteOutlined />
              </template>
            </a-button>
          </a-space>
        </a-card>
      </a-col>
    </a-row>
    <ShareModal ref="shareModalRef" :link="shareLink" />
  </div>
</template>
<script lang="ts" setup>
import { ref, computed, onMounted } from 'vue'
import { message } from 'ant-design-vue'
import {
  getPictureVoByIdUsingGet,
  deletePictureUsingPost,
  doPictureReviewUsingPost,
} from '@/api/pictureController'
import { formatSize, downloadImage } from '@/utils/index.ts'
import { useLoginUserStore } from '@/stores/useLoginUserStore'
import {
  DownloadOutlined,
  EditOutlined,
  DeleteOutlined,
  CloseOutlined,
  CheckOutlined,
  ShareAltOutlined,
} from '@ant-design/icons-vue'
import { useRouter } from 'vue-router'
import { PIC_REVIEW_STATUS_ENUM } from '@/constants/picture'
import { toHexColor } from '@/utils'
import ShareModal from '@/components/ShareModel.vue'
import { SPACE_PERMISSION_ENUM } from '@/constants/space'

const props = defineProps<{
  id: string | number
}>()

// 通用权限检查函数
function createPermissionChecker(permission: string) {
  return computed(() => {
    return (picture.value.permissionList ?? []).includes(permission)
  })
}

// 定义权限检查
const canEdit = createPermissionChecker(SPACE_PERMISSION_ENUM.PICTURE_EDIT)
const canDelete = createPermissionChecker(SPACE_PERMISSION_ENUM.PICTURE_DELETE)

const picture = ref<API.PictureVO>({})

// 获取图片详情
const fetchPictureDetail = async () => {
  try {
    const res = await getPictureVoByIdUsingGet({
      id: props.id,
    })
    if (res.data.code === 0 && res.data.data) {
      picture.value = res.data.data
    } else {
      message.error('获取图片详情失败，' + res.data.message)
    }
  } catch (e: any) {
    message.error('获取图片详情失败：' + e.message)
  }
}

const loginUserStore = useLoginUserStore()
// 是否具有编辑权限
// const canEdit = computed(() => {
//   const loginUser = loginUserStore.loginUser
//   // 未登录不可编辑
//   if (!loginUser.id) {
//     return false
//   }
//   // 仅本人或管理员可编辑
//   const user = picture.value.user || {}
//   return loginUser.id === user.id || loginUser.userRole === 'admin'
// })

const router = useRouter()

// 编辑
const doEdit = () => {
  router.push({
    path: '/add_picture',
    query: {
      id: picture.value.id,
      spaceId: picture.value.spaceId,
    },
  })
}

// 删除
const doDelete = async () => {
  const id = picture.value.id
  if (!id) {
    return
  }
  const res = await deletePictureUsingPost({ id })
  if (res.data.code === 0) {
    message.success('删除成功')
    // 回到主页
    router.push('/')
  } else {
    message.error('删除失败')
  }
}

// 处理下载
const doDownload = () => {
  downloadImage(picture.value.url)
}

const handleReview = async (record: API.PictureVO, reviewStatus: number) => {
  const reviewMessage =
    reviewStatus === PIC_REVIEW_STATUS_ENUM.PASS ? '管理员操作通过' : '管理员操作拒绝'
  const res = await doPictureReviewUsingPost({
    id: record.id,
    reviewStatus,
    reviewMessage,
  })
  if (res.data.code === 0) {
    message.success('审核操作成功')
    // 重新获取列表
    fetchPictureDetail()
  } else {
    message.error('审核操作失败，' + res.data.message)
  }
}

onMounted(() => {
  fetchPictureDetail()
})

// 分享弹窗引用
const shareModalRef = ref()
// 分享链接
const shareLink = ref<string>()

// 分享
const doShare = () => {
  shareLink.value = `${window.location.protocol}//${window.location.host}/picture/${picture.value.id}`
  if (shareModalRef.value) {
    shareModalRef.value.openModal()
  }
}
</script>

